<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>第一个vue实例</title>
</head>
<body>
    <script src="/vue1/js/vue.js"></script>
    <div id="app">
        <p>{{msg}}</p>
    </div>

    <script>
        let app = new Vue{{
            el:"#app",
            data:{
                msg:"hello world"
            }
        }}
    </script>
</body>
</html>